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30 lines
948 B
30 lines
948 B
From: Hannes Reinecke <hare@suse.de>
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Subject: Reattach device handler for multipath devices
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References: bnc#435688
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Patch-mainline: not yet
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The multipath daemon might have specified a different device_handler
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than the one a device is attached to by default.
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So we should try to re-attach with the user-specified device_handler
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and only return an error if that fails.
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And we should _not_ detach existing hardware handlers. This will
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set the path to failed during failover.
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Signed-off-by: Hannes Reinecke <hare@suse.de
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---
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drivers/md/dm-mpath.c | 2 --
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1 file changed, 2 deletions(-)
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--- a/drivers/md/dm-mpath.c
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+++ b/drivers/md/dm-mpath.c
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@@ -168,8 +168,6 @@ static void free_pgpaths(struct list_hea
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list_for_each_entry_safe(pgpath, tmp, pgpaths, list) {
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list_del(&pgpath->list);
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- if (m->hw_handler_name)
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- scsi_dh_detach(bdev_get_queue(pgpath->path.dev->bdev));
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dm_put_device(ti, pgpath->path.dev);
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free_pgpath(pgpath);
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}
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